CNBM Refractory Materials Magnesia Carbon Brick

A

B

C

A

B

C

A

B

C

Bulk Density (g/cm³)≥

3.12

3.08

2.98

3.1

3.05

3

3.03

2.98

2.95

Cold Crushing Strength(MPa) ≥

45

45

40

40

40

40

40

35

35

Pure Rate of Magnesia Raw Material (%)

97.9

96.8

96.1

97.9

96.8

96.1

98.1

98

97.9

MgO(%)

82

81

79

80

79

77

76

74

72

C(%)

—

—

—

—

—

—

—

—

—

Apparent Porosity(%)≤

4.5

5

6

4

4.5

5

3.5

3.5

4

Hot Temperature Bending (1400℃*30min)(Mpa)≥

6

5

4

6

5

4

12

8

6

Application

The Linning of Converter and Electric Arc Furnace, and Slag Line of Ladle

A

B

C

A

B

C

Bulk Density (g/cm³)≥

3

2.95

2.9

2.97

2.92

2.87

Cold Crushing Strength(MPa) ≥

35

35

30

35

30

30

Pure Rate of Magnesia Raw Material (%)

97.9

96.8

96.1

98

97

96

MgO(%)

74

72

70

72

70

69

C(%)

16

16

16

18

18

18

Apparent Porosity(%)≤

3.5

3.5

4

3

3.5

4

Hot Temperature Bending (1400℃*30min) (Mpa)≥

12

8

6

12

8

6

Application

The Linning of Converter and Electric Arc Furnace and Slag Line of Ladle.

MAT60

MAT70

MAT74

AMT65

AMT70

MGT5

MGT2

MGT13

Density(g/cm³)≥

3.00

2.90

3.00

3.00

3.05

2.90

2.85

3.00

Cold Crushing Strength(Mpa)≥

40

35

30

40

35

40

35

25

Modules of Rupture(Mpa)≥

6

5

4

10

8

9

7

4

Apparent Porosity(%)≤

4

5

6

4

5

3

4

5

MgO(%)

55

68

71

10

10

70

75

70

Al₂O₃(%)

23.0

8.0

6.0

65.0

68.0

—

—

—

C(%)

8

10

10

7

7

5

2

8

CaO(%)

—

—

—

—

—

12

8

12

Application

The Sidewall and Bottom of Ladle

VOD, AOD and LF